[145703] in cryptography@c2.net mail archive
Re: Collage
daemon@ATHENA.MIT.EDU (Jacob Appelbaum)
Thu Aug 19 10:25:33 2010
Date: Wed, 18 Aug 2010 20:30:58 -0700
From: Jacob Appelbaum <jacob@appelbaum.net>
To: Jerry Leichter <leichter@lrw.com>
CC: "cryptography@metzdowd.com List" <cryptography@metzdowd.com>
In-Reply-To: <2A51A22B-851C-4A3F-BEF0-C44D05CA38D1@lrw.com>
On 08/18/2010 05:21 AM, Jerry Leichter wrote:
> Yesterday I asked about Haystack, an anti-censorship system that appears
> to exist mainly as newspaper articles. So today I ran across another
> system, which appears to be real: Collage
> (http://gigaom.com/2010/07/12/software-uses-twitter-flickr-to-let-dissidents-send-secret-messages/),
> developed by a group at Georgia Tech and to be presented at Usenix. On
> a crypto level, unlike Haystack, Collage is nothing new: It uses
> steganographic techniques to hide text in photos. What it contributes
> is easy to use software for both embedding and extracting the data,
> integrated with Flickr.
>
Unlike haystack - this software appears to be real and to have
contributed something useful to the field of anti-censorship. Impressive
research!
All the best,
Jacob
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